These are command ui images and bob transfers, at the moment

So they don't get blown away if being used, since relatime is a thing

No need to hand-roll everything

Or maybe it will be ones created more than 30 days ago, depending on the
device, but still it means the cache won't grow unbounded and we can
always fetch again if really needed.

By treating the material surface cover as if it were alpha overlaid on
the background. Use the opacity from account settings within reason, but
keep the box visible.

To avoid popping up the conversation again when we've blocked them

Only if they're different from what we would otherwise use anyway.

Copying the actual spans *might* be better, at least as an option in the future?

apparently I overdid it

As reqeusted due to disability